26879515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 9489125

約数列:

[1, 5, 13, 43, 59, 65, 163, 215, 295, 559, 767, 815, 2119, 2537, 2795, 3835, 7009, 9617, 10595, 12685, 32981, 35045, 48085, 91117, 125021, 164905, 413531, 455585, 625105, 2067655, 5375903, 26879515]

約数ペア:

[(1, 26879515), (5, 5375903), (13, 2067655), (43, 625105), (59, 455585), (65, 413531), (163, 164905), (215, 125021), (295, 91117), (559, 48085), (767, 35045), (815, 32981), (2119, 12685), (2537, 10595), (2795, 9617), (3835, 7009)]